package api03a;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Random;

public class SortInteger {
    public static void main(String[] args) {
        Random rand = new Random();
        List<Integer> list = new ArrayList<>();
        for(int i = 0;i<10;i++){
            list.add(rand.nextInt(100));
        }
        System.out.println("初始数据"+list);       //无序

        Collections.sort(list);                 //从小到大
        System.out.println("排序后："+list);

        System.out.println(list.get(0));        //最小

        Collections.reverse(list);              //反转
        System.out.println("反转后"+list);        //从大到小




    }
}
